Paraquat is one of virulent herbicides, the reports of paraquat intoxication are seen repeatedly, but the ideal therapies haven t been found up to now.

百草枯是毒性很强的除草剂之一，其中毒的报道屡见不鲜，但治疗的效果均不佳。

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Stefansson overcame virulent objections that one company shouldn't have such sweeping access and won permission for the database, now under construction.

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Though the tone was less virulent, users were still unhappy that they couldn't navigate the site easily.

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